commit 57ff9b5fbdb72a586759e0281e6eac2b045f32d3
author vivek mehta <mvivek@codeaurora.org> Thu Apr 28 14:13:08 2016 -0700
committer Eric Laurent <elaurent@google.com> Thu May 05 18:20:03 2016 -0700
tree 6dfbaa92ccfbe138ba182529b557edcde0cc2a48
parent 4ed66e62279001cd62e5acec53f3e1cf5d64e77d

hal: restrict 24 bit capture for unprocessed audio

- configure backend to 24 bit only when source is unprocessed
- for all other source force 16 bit only

- final result

  -----------------------------------------------------------------
  source        app request    audio policy requests    hal returns
  -----------------------------------------------------------------
  Unprocessed   16             8_24                     8_24
  Unprocessed   24/float/8_24  24/float/8_24            8_24

  any other     16             8_24                     -EINVAL
  (retry)                      16                       16

  any other     24/float/8_24  24/float/8_24            -EINVAL
  (retry)                      16                       16
  -----------------------------------------------------------------

Bug: 27348418.

Change-Id: I01139e741a414db1b9ff0079984cb5da007f9a0c